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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  
  18  /**
  19   * Yes/No drop down type form element
  20   *
  21   * Contains HTML class for a simple yes/ no drop down element
  22   *
  23   * @package   core_form
  24   * @copyright 2006 Jamie Pratt <me@jamiep.org>
  25   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26   */
  27  
  28  global $CFG;
  29  require_once "$CFG->libdir/form/select.php";
  30  
  31  /**
  32   * Yes/No drop down type form element
  33   *
  34   * HTML class for a simple yes/ no drop down element
  35   *
  36   * @package   core_form
  37   * @category  form
  38   * @copyright 2006 Jamie Pratt <me@jamiep.org>
  39   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  40   */
  41  class MoodleQuickForm_selectyesno extends MoodleQuickForm_select{
  42      /**
  43       * Class constructor
  44       *
  45       * @param string $elementName Select name attribute
  46       * @param mixed $elementLabel Label(s) for the select
  47       * @param mixed $attributes Either a typical HTML attribute string or an associative array
  48       * @param mixed $options ignored, not used.
  49       */
  50      public function __construct($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
  51          // TODO MDL-52313 Replace with the call to parent::__construct().
  52          HTML_QuickForm_element::__construct($elementName, $elementLabel, $attributes, null);
  53          $this->_type = 'selectyesno';
  54          $this->_persistantFreeze = true;
  55      }
  56  
  57      /**
  58       * Old syntax of class constructor. Deprecated in PHP7.
  59       *
  60       * @deprecated since Moodle 3.1
  61       */
  62      public function MoodleQuickForm_selectyesno($elementName=null, $elementLabel=null, $attributes=null, $options=null) {
  63          debugging('Use of class name as constructor is deprecated', DEBUG_DEVELOPER);
  64          self::__construct($elementName, $elementLabel, $attributes, $options);
  65      }
  66  
  67      /**
  68       * Called by HTML_QuickForm whenever form event is made on this element
  69       *
  70       * @param string $event Name of event
  71       * @param mixed $arg event arguments
  72       * @param object $caller calling object
  73       * @return mixed
  74       */
  75      function onQuickFormEvent($event, $arg, &$caller)
  76      {
  77          switch ($event) {
  78              case 'createElement':
  79                  $choices=array();
  80                  $choices[0] = get_string('no');
  81                  $choices[1] = get_string('yes');
  82                  $this->load($choices);
  83                  break;
  84          }
  85          return parent::onQuickFormEvent($event, $arg, $caller);
  86      }
  87  
  88  }